Re: [PATCH 2/3] wlegacy: Remove unneeded variable and make function to be void

2019-09-15 Thread zhong jiang
On 2019/9/13 1:45, Kalle Valo wrote:
> zhong jiang  writes:
>
>> il4965_set_tkip_dynamic_key_info  do not need return value to
>> cope with different ases. And change functon return type to void.
>>
>> Signed-off-by: zhong jiang 
>> ---
>>  drivers/net/wireless/intel/iwlegacy/4965-mac.c | 8 ++--
>>  1 file changed, 2 insertions(+), 6 deletions(-)
>>
>> diff --git a/drivers/net/wireless/intel/iwlegacy/4965-mac.c 
>> b/drivers/net/wireless/intel/iwlegacy/4965-mac.c
>> index ffb705b..a7bbfe2 100644
>> --- a/drivers/net/wireless/intel/iwlegacy/4965-mac.c
>> +++ b/drivers/net/wireless/intel/iwlegacy/4965-mac.c
>> @@ -3326,12 +3326,11 @@ struct il_mod_params il4965_mod_params = {
>>  return il_send_add_sta(il, _cmd, CMD_SYNC);
>>  }
>>  
>> -static int
>> +static void
>>  il4965_set_tkip_dynamic_key_info(struct il_priv *il,
>>   struct ieee80211_key_conf *keyconf, u8 sta_id)
>>  {
>>  unsigned long flags;
>> -int ret = 0;
>>  __le16 key_flags = 0;
>>  
>>  key_flags |= (STA_KEY_FLG_TKIP | STA_KEY_FLG_MAP_KEY_MSK);
>> @@ -3367,8 +3366,6 @@ struct il_mod_params il4965_mod_params = {
>>  memcpy(il->stations[sta_id].sta.key.key, keyconf->key, 16);
>>  
>>  spin_unlock_irqrestore(>sta_lock, flags);
>> -
>> -return ret;
>>  }
>>  
>>  void
>> @@ -3483,8 +3480,7 @@ struct il_mod_params il4965_mod_params = {
>>  il4965_set_ccmp_dynamic_key_info(il, keyconf, sta_id);
>>  break;
>>  case WLAN_CIPHER_SUITE_TKIP:
>> -ret =
>> -il4965_set_tkip_dynamic_key_info(il, keyconf, sta_id);
>> +il4965_set_tkip_dynamic_key_info(il, keyconf, sta_id);
>>  break;
>>  case WLAN_CIPHER_SUITE_WEP40:
>>  case WLAN_CIPHER_SUITE_WEP104:
> To me this looks inconsistent with the rest of the cases in the switch
> statement. And won't we then return the ret variable uninitalised?
Yep,  I miss that.   please ignore the patch.  Thanks,

Sincerely,
zhong jiang



Re: [PATCH 2/3] wlegacy: Remove unneeded variable and make function to be void

2019-09-12 Thread Kalle Valo
zhong jiang  writes:

> il4965_set_tkip_dynamic_key_info  do not need return value to
> cope with different ases. And change functon return type to void.
>
> Signed-off-by: zhong jiang 
> ---
>  drivers/net/wireless/intel/iwlegacy/4965-mac.c | 8 ++--
>  1 file changed, 2 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/net/wireless/intel/iwlegacy/4965-mac.c 
> b/drivers/net/wireless/intel/iwlegacy/4965-mac.c
> index ffb705b..a7bbfe2 100644
> --- a/drivers/net/wireless/intel/iwlegacy/4965-mac.c
> +++ b/drivers/net/wireless/intel/iwlegacy/4965-mac.c
> @@ -3326,12 +3326,11 @@ struct il_mod_params il4965_mod_params = {
>   return il_send_add_sta(il, _cmd, CMD_SYNC);
>  }
>  
> -static int
> +static void
>  il4965_set_tkip_dynamic_key_info(struct il_priv *il,
>struct ieee80211_key_conf *keyconf, u8 sta_id)
>  {
>   unsigned long flags;
> - int ret = 0;
>   __le16 key_flags = 0;
>  
>   key_flags |= (STA_KEY_FLG_TKIP | STA_KEY_FLG_MAP_KEY_MSK);
> @@ -3367,8 +3366,6 @@ struct il_mod_params il4965_mod_params = {
>   memcpy(il->stations[sta_id].sta.key.key, keyconf->key, 16);
>  
>   spin_unlock_irqrestore(>sta_lock, flags);
> -
> - return ret;
>  }
>  
>  void
> @@ -3483,8 +3480,7 @@ struct il_mod_params il4965_mod_params = {
>   il4965_set_ccmp_dynamic_key_info(il, keyconf, sta_id);
>   break;
>   case WLAN_CIPHER_SUITE_TKIP:
> - ret =
> - il4965_set_tkip_dynamic_key_info(il, keyconf, sta_id);
> + il4965_set_tkip_dynamic_key_info(il, keyconf, sta_id);
>   break;
>   case WLAN_CIPHER_SUITE_WEP40:
>   case WLAN_CIPHER_SUITE_WEP104:

To me this looks inconsistent with the rest of the cases in the switch
statement. And won't we then return the ret variable uninitalised?

-- 
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches